Home / 2,221.81-3,325.73-1,524.40

Finding the Fourth Proportional to 2,221.81, 3,325.73 and 1,524.40

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Solution

The fourth proportional to 2,221.81, 3,325.73 and 1,524.40 is: 2,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.81 : 3,325.73 = 1,524.40 : x
  2. Step 2: Convert to fraction form
    2,221.81/3,325.73 = 1,524.40/x
  3. Step 3: Cross multiply
    2,221.81x = 3,325.73 × 1,524.40
  4. Step 4: Simplify right side
    2,221.81x = 5,069,745.06
  5. Step 5: Solve for x
    x = 5,069,745.06/2,221.81
  6. Step 6: Final answer
    x = 2,281.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.